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Finding the Fourth Proportional to 468,628.53, 702,942.57 and 113,642.49

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Solution

The fourth proportional to 468,628.53, 702,942.57 and 113,642.49 is: 170,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,628.53 : 702,942.57 = 113,642.49 : x
  2. Step 2: Convert to fraction form
    468,628.53/702,942.57 = 113,642.49/x
  3. Step 3: Cross multiply
    468,628.53x = 702,942.57 × 113,642.49
  4. Step 4: Simplify right side
    468,628.53x = 79,884,143,981.80
  5. Step 5: Solve for x
    x = 79,884,143,981.80/468,628.53
  6. Step 6: Final answer
    x = 170,463.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.